10. Two neighbouring nodes (A and B) use a sliding-window protocol with a 3-bit sequence number. As the ARQ mechanism, Go-Back-N is used with a window size of 4. Assuming A is transmitting and B is receiving. show the window positions for the succession of events: (i) Before A sends any frames (ii After A sends frames 0, 1, 2 and receives acknowledgement from B for 0 and After A sends frames 3, 4, and 5 and B acknowledges 4 and the ACK is received by A. 10. Two neighbouring nodes (A and B) use a sliding-window protocol with a 3-bit sequence number. As the ARQ mechanism, Go-Back-N is used with a window size of 4. Assuming A is transmitting and B is receiving. show the window positions for the succession of events: (i) Before A sends any frames (ii After A sends frames 0, 1, 2 and receives acknowledgement from B for 0 and After A sends frames 3, 4, and 5 and B acknowledges 4 and the ACK is received by A